<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div align="center">
    <form method="post" action="/update_token">
        <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">
        用户名：<input type="text" name="username"><br>
        密码：<input type="text" name="password"><br>
        <button type="submit">修改</button>
    </form>
</div>
</body>
</html>